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Use dynamic (variable) string as regex pattern in JavaScript
..., the pattern works fine with PHP but I have troubles implementing it into JavaScript.
7 Answers
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How do I calculate the date in JavaScript three months prior to today?
...th doesn't exist in the previous month.
Interestingly, Google agrees with JavaScript if you ask it what day is one month before another day:
It also says that one month is 30.4167 days long:
So, is one month before March 31st the same day as one month before March 28th, 3 days earlier? This a...
Can I set variables to undefined or pass undefined as an argument?
I’m a bit confused about JavaScript’s undefined and null values.
10 Answers
10...
JavaScript error (Uncaught SyntaxError: Unexpected end of input)
I have some JavaScript code that works in FireFox but not in Chrome or IE.
10 Answers
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Using an integer as a key in an associative array in JavaScript
When I create a new JavaScript array, and use an integer as a key, each element of that array up to the integer is created as undefined.
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JavaScript: Overriding alert()
Has anyone got any experience with overriding the alert() function in JavaScript?
12 Answers
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How can I check whether a radio button is selected with JavaScript?
...der_Female" value="Female" />
For client-side validation, here's some Javascript to check which one is selected:
if(document.getElementById('gender_Male').checked) {
//Male radio button is checked
}else if(document.getElementById('gender_Female').checked) {
//Female radio button is checked...
JavaScript, get date of the next day [duplicate]
...
Copy-pasted from here:
Incrementing a date in JavaScript
Three options for you:
Using just JavaScript's Date object (no libraries):
var today = new Date();
var tomorrow = new Date(today.getTime() + (24 * 60 * 60 * 1000));
Or if you don't mind changing the...
Adding an onclick function to go to url in JavaScript?
I am using this fancy little JavaScript to highlight a field as the user hovers over it. Could you please tell me if there is a way of adding an onclick function which will act as a link and go to a URL?
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Check if object exists in JavaScript
How do I verify the existence of an object in JavaScript?
18 Answers
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